The Storm Prediction Center has issued a Tornado Watch that is now in effect until 10pm. This watch includes the following counties in Iowa, Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard, Mitchell, Winneshiek, Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll, Cerro Gordo, Crawford, Franklin, Greene, Grundy, Hamilton, Hancock, Hardin, Humboldt, Marshall, Pocahontas, Sac, Story, Tama, Webster, Worth and Wright.

This includes the cities of Waterloo, Ames, Marshalltown and Fort Dodge.